ผู้นำเกาหลีเหนือ "คิม จอง อึน" เข้าพบ ผู้นำจีน "สี จิ้น ผิง" ถกประเด็นทดสอบนิวเคลียร์

North Korean leader Kim Jong Un and his wife Ri Sol Ju pose for a picture with Chinese President Xi Jinping and wife Peng Liyuan at the Great Hall of the People in Beijing, China, March 28, 2018.

North Korean leader Kim Jong Un and wife Ri Sol Ju, and Chinese President Xi Jinping and wife Peng Liyuan attend a banquet in Beijing, China, in this undated photo released by North Korea's Korean Central News Agency (KCNA) in Pyongyang, March 28, 2018.

North Korean leader Kim Jong Un and wife Ri Sol Ju, and Chinese President Xi Jinping and wife Peng Liyuan meet in Beijing, China, in this undated photo released by North Korea's Korean Central News Agency (KCNA) in Pyongyang, March 28, 2018.

North Korean leader Kim Jong Un and wife Ri Sol Ju, and Chinese President Xi Jinping and wife Peng Liyuan meet in Beijing, China, in this undated photo released by North Korea's Korean Central News Agency (KCNA) in Pyongyang, March 28, 2018.

North Korean leader Kim Jong Un and his wife Ri Sol Ju look at an exhibition in Beijing as he pays an unofficial visit to China, in this undated photo released by North Korea's Korean Central News Agency (KCNA) in Pyongyang, March 28, 2018.

North Korean leader Kim Jong Un and wife Ri Sol Ju, and Chinese President Xi Jinping and wife Peng Liyuan walk together in Beijing, China, in this undated photo released by North Korea's Korean Central News Agency (KCNA) in Pyongyang, March 28, 2018.

North Korean leader Kim Jong Un and Chinese President Xi Jinping inspect honor guards in Beijing, as he pays an unofficial visit to China, in this undated photo released by North Korea's Korean Central News Agency (KCNA) in Pyongyang, March 28, 2018.

A view of the motorcade in Beijing as North Korean leader Kim Jong Un paid an unofficial visit to China, in this undated photo released by North Korea's Korean Central News Agency (KCNA) in Pyongyang, March 28, 2018.

North Korean leader Kim Jong Un waves from a train, as he pays an unofficial visit to China, in this undated photo released by North Korea's Korean Central News Agency (KCNA) in Pyongyang, March 28, 2018.